The Audi A5 Sportback (8TA) 1.8 TFSI with the Multitronic transmission represents a compelling entry point into the premium four-door coupe market. Produced from 2009 to September 2011, this variant occupied a significant position within the A5 Sportback range, offering a balance of performance, fuel efficiency, and luxury. It was built on the Audi A4 B8 platform (internally designated 8K), also known as the PL46 platform, shared with other Volkswagen Group vehicles. The Sportback body style, a five-door fastback, distinguished itself from the standard A5 coupe and convertible by providing enhanced practicality without sacrificing style.
Technical Specifications
| Brand | Audi |
| Model | A5 |
| Generation | A5 Sportback (8TA) |
| Type (Engine) | 1.8 TFSI (160 Hp) Multitronic |
| Start of production | 2009 |
| End of production | September, 2011 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Fastback |
| Seats | 4 |
| Doors | 5 |
| Fuel consumption (urban) | 9.4 l/100 km (25 US mpg, 30.1 UK mpg, 10.6 km/l) |
| Fuel consumption (extra urban) | 5.9 l/100 km (39.9 US mpg, 47.9 UK mpg, 16.9 km/l) |
| Fuel consumption (combined) | 7.2 l/100 km (32.7 US mpg, 39.2 UK mpg, 13.9 km/l) |
| CO2 emissions | 169 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.9 sec |
| Acceleration 0 – 62 mph | 8.9 sec |
| Acceleration 0 – 60 mph | 8.5 sec |
| Maximum speed | 241 km/h (149.75 mph) |
| Emission standard | Euro 5 |
| Weight-to-power ratio | 9.5 kg/Hp, 105.3 Hp/tonne |
| Weight-to-torque ratio | 6.1 kg/Nm, 164.5 Nm/tonne |
| Power | 160 Hp @ 4500-6200 rpm |
| Power per litre | 89 Hp/l |
| Torque | 250 Nm @ 1500-4500 rpm (184.39 lb.-ft. @ 1500-4500 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | CDHB |
| Engine displacement | 1798 cm3 (109.72 cu. in.) |
| Number of cylinders | 4 |
| Engine configuration | Inline |
| Cylinder Bore | 82.5 mm (3.25 in.) |
| Piston Stroke | 84.1 mm (3.31 in.) |
| Compression ratio | 9.6:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | Turbocharger, Intercooler |
| Valvetrain | DOHC |
| Engine oil capacity | 4.6 l (4.86 US qt | 4.05 UK qt) |
| Kerb Weight | 1520 kg (3351.03 lbs.) |
| Max. weight | 2050 kg (4519.48 lbs.) |
| Max load | 530 kg (1168.45 lbs.) |
| Trunk (boot) space – minimum | 480 l (16.95 cu. ft.) |
| Trunk (boot) space – maximum | 980 l (34.61 cu. ft.) |
| Fuel tank capacity | 65 l (17.17 US gal | 14.3 UK gal) |
| Max. roof load | 90 kg (198.42 lbs.) |
| Permitted trailer load with brakes (8%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load with brakes (12%) | 1300 kg (2866.01 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 80 kg (176.37 lbs.) |
| Length | 4711 mm (185.47 in.) |
| Width | 1854 mm (72.99 in.) |
| Height | 1391 mm (54.76 in.) |
| Wheelbase | 2810 mm (110.63 in.) |
| Front track | 1590 mm (62.6 in.) |
| Rear (Back) track | 1575 mm (62.01 in.) |
| Drag coefficient (Cd) | 0.29 |
| Minimum turning circle (turning diameter) | 11.5 m (37.73 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the front wheels of the vehicle. |
| Drive wheel | Front wheel drive |
| Number of gears and type of gearbox | automatic transmission Multitronic |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Tires size | 225/50 R17 |
| Wheel rims size | 7.5J x 17 |
INTRODUCTION
The Audi A5 Sportback 1.8 TFSI Multitronic, launched in 2009, aimed to broaden the appeal of the A5 range by offering a more practical and accessible option. Positioned as a mid-range trim, it sat below the more powerful 2.0 TFSI and 3.0 TDI variants, and above the base-level engine options in some markets. The Sportback’s five-door configuration provided easier access to the rear seats and a larger, more usable cargo area compared to the coupe, making it a more family-friendly choice. This model year falls within the first generation of the A5 (8TA) which ran from 2007-2016.
Powertrain & Engine Architecture
At the heart of the A5 Sportback 1.8 TFSI lies the CDHB engine, a 1.8-liter inline-four cylinder gasoline engine. This engine is part of Audi’s EA888 family, known for its robust design and tuning potential. The ‘TFSI’ designation stands for Turbocharged Fuel Stratified Injection, indicating the engine’s key technologies. It utilizes direct fuel injection, delivering fuel directly into the combustion chamber for improved efficiency and power. A single turbocharger with an intercooler provides forced induction, boosting power output. The engine employs a dual overhead camshaft (DOHC) valvetrain with four valves per cylinder, optimizing airflow for enhanced performance. The Multitronic transmission is a continuously variable transmission (CVT) offering smooth, stepless gear changes. It uses a chain-driven system, providing a different driving experience compared to traditional automatic transmissions with fixed gear ratios. The Multitronic was favored for its efficiency and ability to keep the engine operating within its optimal power band.
Driving Characteristics
The 160 horsepower and 184 lb-ft of torque produced by the 1.8 TFSI engine, coupled with the Multitronic transmission, resulted in a comfortable and refined driving experience. Acceleration from 0-60 mph took approximately 8.5 seconds, and top speed was electronically limited to 149.75 mph. While not overtly sporty, the engine provided adequate power for everyday driving and highway cruising. The Multitronic transmission contributed to smooth acceleration and minimized gear hunting. However, some drivers found the transmission lacked the responsiveness of a traditional automatic or manual gearbox. The gear ratios were optimized for fuel efficiency, meaning the engine sometimes felt strained during hard acceleration. Compared to the 2.0 TFSI, the 1.8 TFSI offered less outright performance, but it provided a more relaxed and economical driving experience. The 1.8 TFSI was also noticeably more fuel-efficient than the diesel options.
Equipment & Trim Levels
The A5 Sportback 1.8 TFSI Multitronic typically came standard with a respectable level of equipment. This included features like automatic climate control, a multi-function steering wheel, power windows and mirrors, and an Audi Concert audio system. Interior upholstery was usually cloth, with leather options available as an upgrade. Common optional extras included a sunroof, navigation system, parking sensors, and upgraded alloy wheels. Trim levels varied slightly depending on the market, but generally, the 1.8 TFSI was offered with options packages that added features like heated seats, premium audio, and advanced driver-assistance systems.
Chassis & Braking
The A5 Sportback featured a sophisticated chassis design. The front suspension utilized an independent multi-link setup, providing excellent ride comfort and handling. The rear suspension also employed an independent multi-link configuration, further enhancing ride quality and stability. The 1.8 TFSI models typically came equipped with ventilated front disc brakes and solid rear discs. Anti-lock Braking System (ABS) was standard, ensuring safe and controlled braking in various conditions. Stabilizer bars were fitted to both the front and rear axles to reduce body roll during cornering. The suspension tuning was geared towards comfort, providing a smooth ride over most road surfaces.
Market Reception & Comparison
The Audi A5 Sportback 1.8 TFSI Multitronic was generally well-received by automotive critics. It was praised for its stylish design, practical interior, and comfortable ride. The 1.8 TFSI engine was considered a good balance of performance and fuel efficiency. However, some reviewers noted that the Multitronic transmission could feel somewhat detached and lacked the engagement of a traditional gearbox. Compared to the 2.0 TFSI, the 1.8 TFSI offered a more affordable entry point into the A5 range, but at the expense of some performance. Fuel economy was a strong point, with combined figures around 32.7 US mpg, making it a competitive option in its class. Reliability was generally good, although the Multitronic transmission required regular maintenance to ensure optimal performance.
Legacy
The Audi A5 Sportback 1.8 TFSI Multitronic has proven to be a relatively reliable vehicle in the used car market. The EA888 engine is known for its durability, and the Multitronic transmission, while requiring diligent maintenance, can provide years of service. However, potential buyers should be aware of the importance of regular transmission fluid changes. Today, these vehicles represent a good value proposition for those seeking a stylish, practical, and comfortable premium car. The combination of Audi build quality, a fuel-efficient engine, and a spacious interior continues to make the A5 Sportback 1.8 TFSI a desirable option for many buyers.
